参数资料
型号: TPS65181RGZR
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PQCC48
封装: 7 X 7 MM, 0.90 MM HEIGHT, GREEN, PLASTIC, VQFN-48
文件页数: 41/41页
文件大小: 892K
代理商: TPS65181RGZR
SLVSA76F
– MARCH 2010 – REVISED FEBRUARY 2011
ELECTRICAL CHARACTERISTICS (continued)
VIN = 3.7 V, TA = –10°C to 85C, Typical values are at TA = 25C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Feedback voltage
-1
V
VFB
Accuracy
-3
3
%
VEE_OUT
Output voltage range
VSET = –20 V, ILOAD = 3 mA
-21
-20
-19
V
ILOAD
Load current range
12
mA
fSW
Switching frequency
560
KHz
CD
Recommended driver capacitor
10
nF
CO
Recommended output capacitor
4.7
F
THERMISTOR MONITOR(1)
ATMS
Temperature to voltage ratio
Not tested in production
-0.0158
V/
°C
OffsetTMS
Offset
Temperature = 0
°C
1.575
V
VTMS_HOT
Temp hot trip voltage (T = 50
°C)
TEMP_HOT_SET = 0x8C
0.768
V
Temp hot escape voltage (T =
VTMS_COOL
TEMP_COOL_SET = 0x82
0.845
V
45
°C)
VTMS_MAX
Maximum input level
2.25
V
RNTC_PU
Internal pull up resistor
7.307
K
Ω
RLINEAR
External linearization resistor
43
K
Ω
ADCRES
ADC resolution
Not tested in production, 1 bit
8.75
mV
ADCDEL
ADC conversion time
Not tested in production
19
s
TMSTTOL
Accuracy
Not tested in production
-2
2
LSB
LOGIC LEVELS AND TIMING CHARTERISTICS (SCL, SDA, nINT, PWR_GOOD, PWRx, WAKEUP)
IO = 3 mA, sink current
VOL
Output low threshold level
0.4
V
(SDA, nINT, PWR_GOOD)
VIL
Input low threshold level
0.4
V
VIH
Input high threshold level
1.2
V
I(bias)
Input bias current
VIO = 1.8 V
1
A
tlow,WAKEUP
WAKEUP low time
minimum low time for WAKEUP pin
150
ms
fSCL
SCL clock frequency
400
KHz
OSCILLATOR
fOSC
Oscillator frequency
9
MHz
Frequency accuracy
TA = –40°C to 85°C
-10
10
%
THERMAL SHUTDOWN
TSHTDWN
Thermal trip point
150
°C
Thermal hysteresis
20
°C
(1)
10-k
Ω Murata NCP18XH103F03RB thermistor (1%) in parallel with a linearization resistor (43kΩ, 1%) are used at TS pin for panel
temperature measurement.
2010–2011, Texas Instruments Incorporated
9
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